The term "revolver" has many meanings in a variety of contexts. In relation to this song, the title describes how the track is full of loops that repeat over varying degree of lengths.
Much like the moon orbits the earth, and the earth orbits the sun, the one bar loop revolves around the 4 bar loop, which revolves around the 16 bar loops.
In this way, music is a 4 dimensional representation of our universe. Other meaningful entendres include storms revolving, the gun revolver, and also, political revolution.
Feb 20th 2020